March 11, 2014 in Learn
3 Lessons from the JavaScript Output of CoffeeScript
Even if you’ve been a front-end developer for years and have done a fair amount of JavaScript programming throughout your career, there may be a few things you’ve missed out on from those delivery pressures piled on you in your…
January 29, 2014 in Learn
Why jQuery is the Most Popular JavaScript Library
John Resig released jQuery on August 26th, 2006 and changed the front-end development landscape forever. jQuery quickly arose to be the go to JavaScript framework. A number of other libraries came out around the same time such as MooTools and…
January 16, 2014 in Learn
What is Unobtrusive JavaScript and Why it’s Important?
Unobtrusive JavaScript is a best practice methodology for attaching JavaScript to the front-end of a website. It’s an ideal to strive toward and something we should bear in mind whenever we’re adding JavaScript to a site. It is the separation…
December 19, 2013 in Learn
Timing JavaScript Code with High Resolution Timestamps
As the browser has evolved the possibilities of what can be achieved on the web have greatly increased. Technologies like Flash have given way to newcomers like Canvas and WebGL. But as we create more complex applications for the web…
November 26, 2013 in Learn
Responsive HTML Emails, JavaScript Techniques, WebGL | Treehouse Show Episode 67
It’s Tuesday which means that the Treehouse Show is back! In episode 67 of The Treehouse Show, Nick and Jason (@jseifer) talk about responsive HTML email, fullscreen mobile apps, WebGL and much more. There’s also the usual round up of…
January 22, 2013 in Learn
Building a Syntax-Highlighted Input Box with JavaScript
The textarea element has been commonly used for in-page web IDEs. Some great examples are in popular CMS’ like WordPress or Drupal. But inline web development is not the easiest solution to implement. And through other open source projects we…
January 15, 2013 in Learn
Using Web Workers to Speed-Up Your JavaScript Applications
The performance of JavaScript applications running in the browser has increased considerably over the past few years. This is mainly due to continued work on the underlying JavaScript engines (such as V8) that actually execute the code. But as these JavaScript engines get…
October 29, 2012 in Learn
Quick Tip: How to Use the JavaScript Splice Method
In this Treehouse Quick Tip, Jim shows us how to use the JavaScript Splice Method. The splice method is used to manipulate arrays. The splice function can be used to remove elements from an array. The first argument in the…
February 7, 2011 in Learn
Tips on Learning JavaScript
In his seminal article Style Versus Design Jeffrey Zeldman wrote The web used to look like a phone book . What he should have written is: The web used to look like a phone book sitting in a tacky 70s…
September 4, 2009 in Learn
How to Create a Valid Non-Javascript Lightbox
I recently came across a solution on CSSPlay for a JavaScript free lightbox that uses invalid markup. So, being a sucker for a challenge, I set myself the task of creating one with valid markup and I eventually succeeded. Here’s…
March 22, 2007 in Learn
Setting & Retrieving Accesskeys with JavaScript and DOM
There are some things in the world of accessibility that appear, on the face of it, to be really wonderful ideas… until you scratch slightly below the service. What may seem feasible when putting together some guidelines on accessibility might…
September 15, 2025 in Learn
Don’t Let AI Make You Lazy: Why Coding Fundamentals Still Matter
AI can now write full programs, generate websites, and even fix bugs. It feels like magic. But if you only depend on AI, you may never build the true skills that make a programmer valuable. Coding is not just about…